Toy.



W. H. ROBERTSON.

TOY.

APPLICATION FILED SEPT-3,1915.

Patented June 27, 1916.

THE EDUCATED v MONKEY QIQZZW Z 51km uNITEDsTATEs PATENT HFFICE,

' scribed in application for LettersPatent of ulate the interest ofchildren in the study of numbers and for this purpose uses ac'ombi- IWILLIAM HENRY ROBERTSON, OF BELMONT, OHIO, ASSIGNOR TO THE EDUCATIONALNOVELTY COMPANY, OF DAYTON, OHIO, ,A CORPORATION OF OHIO.

Specification of Letters Patent.

Application filed September 3, 1915. Serial No. 48,870.

To all whom it may concern:

Be it known that .1, WILLIAM HENRY Ron- ERTSQN, a citizen of the UnitedStates, re

Toys, of which I- declare the following to be a full, clear, and exactdescription,

My invention relates to toys for educa tional purposes, and itsmechanical construction i very similar to another invention' of mine forcalculating purposes shown and de,

United States, SerialNumber 15,67 4.

The present invention is intended to stimnation .of parts. believed tobe entirely new in the'toy art." 1 'o v As far asI am aware, anumberchart has never before been combined with any object resembling andrepresenting a living creature which can be adjusted in relation to thechart. to perform computations, thereby suggesting the idea of acalculating. animal. With such a' novel combination, it is intended tointerest the child and increasehis knowledge of numbers and numbertables.

With these and incidental purposes in view, the invention consistsincertain novel features of construction and combination of parts,hereinafter described'withrefer ence to the accompanying drawing'whichaccompanies and forms a part of this specification.

By reference to the chart shown on plate. A of the accompanying drawing,a series of numbers are'shown and above this a multiplication table.From thearrangement .of the numbers it can be seen thatthe product ofany two numbers of the'series lies on animaginary line which is theperpendicular bisector of another such line I connecting the twonumbers'of the series. Also, that this product is located above the slotin' plate A; at a height depending on the distance between the 'twonumbers of the series.

-'Two members B and C are shown pivoted at D. To these are attached armsG and H pivoted respectively at, J and K-, and pivoted to each other atL, and'also to tail Mwhich has a slot in which are the studs ,Q and D,

both of which are riveted to head R. Pointers N and P are secured to themembers brought closer together, the square hole in.

tail piece M is lowered and when the pointers are moved farther apart,the same hole is raised. v r

It will further be observed that the square hole in tail M lies on aline -which is a perpendicular bisector of the line co'nnecting thecenters of studs E and F. There fore, the m otion of this hole satisfiedthe" conditions necessary to enable it to expose the product of any twonumbers directly pointed at by the pointers. However, it'is foundboth bytheory and experiment that for ,the regular arrangement of table as 7shown, it is necessary that the three distances from the centers of studJ to the centers of studs D, L, and E be'equal each to each; likewise,for distances K D, L, and K F, whereithe letters represent the centersof the studs.

fit is evident by the apparatus de-' scribed, results could be found onan addition table and manytother kinds of tables as readily as on amultiplication table.

While the form of the invention herein shown and described is admirablyadapted to accomplish the purpose primarily stated,

the claims which follow.

Patented June 27, 1916-.

' it is not intended to confine the invention to the form of embodimenthereindisclosed' What I claim "as new and desire to secure by LettersPatent of the United States, is: 1. In a toy, a chart having charactersand a table of results, and a movable image of an animated creaturehaving membersv adjustable to occupy various positionsrela tive to thechart in each 'of which positions characters",are designated andcorrespond ing results indicated.

2. In a toy a chart having a table of com:

putations and a series of numbers, and fa movable image of an annnatedcreature hav'-.

ing its members sueh asfllimbs adjustable to setto various positionsrelativeto the chart each of which positionstwo limbs of the lmag'edesignate. each a numeral while an= other portion of the image indicatesa resulting computation.

3. In a toy a chart having a series of characters and a table of resultsand an image of an animated creature composed of relatively movableparts, representing movable members of the animated creature two ofwhich parts are pivoted together and admemberssuchas' arms, legs, feetand fingers,

two legs being pivoted together and adjustable to set at variouspositions relative to the chart in each of which positions the two feetdesignate each a number, while the fingers indicate the correspondingcomputation.

5. In a toy, a chart having various characters, and a movableqimage ofan animated creaturehaving limbs, one of which is adjustable relative tothe chart to set at various positions in each of which positions thelimb and two other portions of the movable image indicate each acharacter there being three characters thus indicated each of which is afunction of the other two.

. In testimony whereof I aflix my signature.

WILLIAM HENRY ROBERTSON.

